Add Contact Object

- Add Profile Object
- Add User Model
- Add use statements

mod/admin.php

@@ -11,6 +11,7 @@ use Friendica\Core\System;
 use Friendica\Core\Config;
 use Friendica\Core\Worker;
 use Friendica\Database\DBM;
+use Friendica\Model\User;
 
 require_once("include/enotify.php");
 require_once("include/text.php");